CVE-2026-66071

A flaw was found in rabbitmq-server where its OAuth2 authentication backend improperly converts token scope values into Erlang runtime atoms. In deployments where an Identity Provider IdP allows users to influence scope contents within their signed JSON Web Tokens JWTs, an authenticated attacker...

BIT-RABBITMQ-2026-67238 RabbitMQ: Atom-table exhaustion via reply-to queue name decoding

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbitpidcodec:decomposefrombinary/1 parses a caller-supplied ETF-encoded binary and calls binarytoatomNode, utf8 on the node-name field. It is reached from rabbitvolatilequeue:pidfromname/2, which is invoked for any...

BIT-RABBITMQ-2026-66072 RabbitMQ: Atom table exhaustion via stream `chunk_selector`

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, getchunkselector/1 calls binarytoatom on the raw client-supplied property from post-auth subscribe and resolveoffsetspec frames, with no whitelist and no existing guard. An authenticated...

SUSE CVE-2026-66073

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make -...

CVE-2026-67415

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, the Shovel parameter parser converted attacker-controlled runtime parameter values into non-garbage-collected Erlang atoms before bounding them or checking a fixed allowlist. Exploitation requires network access to th...

DEBIAN-CVE-2026-66073

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

AZL-105302 CVE-2026-66073 affecting package rabbitmq-server 3.13.7-9

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

CVE-2026-66073

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

UBUNTU-CVE-2026-67415

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, the Shovel parameter parser converted attacker-controlled runtime parameter values into non-garbage-collected Erlang atoms before bounding them or checking a fixed allowlist. Exploitation requires network access to th...

CVE-2026-66073

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

UBUNTU-CVE-2026-66073

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

CVE-2026-67415

The RabbitMQ messaging and streaming broker is vulnerable to a Denial of Service (DoS) condition in versions 4.2.0 until 4.2.9 and 4.3.3 . The root cause is located in the Shovel parameter parser , which converts attacker-controlled runtime values into non-garbage-collected Erlang atoms before pe...

EUVD-2026-87149

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

CVE-2026-66073

RabbitMQ versions 3.13.0 to 3.13.14 , 4.0.19 , 4.1.10 , and 4.2.5 are vulnerable to Atom table exhaustion via the management API. The issue occurs because the PUT /api/queues/:vhost/:name (along with exchanges and bindings endpoints) accepts a node JSON field that passes through rabbitnodes:make ...

CVE-2026-66073 RabbitMQ: Atom table exhaustion via management API node field

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

CVE-2026-66073 RabbitMQ: Atom table exhaustion via management API node field

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

CVE-2026-66073 RabbitMQ: Atom table exhaustion via management API node field

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

CVE-2026-66073: Uncontrolled Resource Consumption

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

PT-2026-98902

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 3.13.0 through 3.13.14 RabbitMQ versions 4.0.x through 4.0.19 RabbitMQ versions 4.1.x through 4.1.10 RabbitMQ versions 4.2.x through 4.2.5 Description An atom table exhaustion issue exists in the management API. The PUT...

Linux Distros Unpatched Vulnerability : CVE-2026-66073

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pU...